Dr Hyde and jackal 240sx was running great now missing and dyeing

Okay so I have a 91 240sx with a 93 swap I bought the car it ran like shizzy! They said it had a rebuild haha so I rebuilt the whole thing myself. Upon rebuild car runs great pulls harder then most maybe a little rich except some times when it ether wants to miss or die...and then bounce idle from 1300 to dead . I know these cars run funny and tend to run rich but now I swear the car is just messing with me. Basic info on car runs around 160 temp when regular driving cold air in take and costume headers to 3 inch exhaust Need help on trouble shooting me and my dad have tried a lot of things. Much thanks

1 Answer

Little more info on the car when It drives good it idles at 1100 and gives me no
problems what so ever ... But it almost seems like you put in gas it doesn't like
and then it just bogs down idle jumps and hard to keep it alive . I'm sure it's not
the rebuild many reasons behind that. Anyways thanks in advance

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Okay so I have a 91 240sx with a 93 swap I bought the car it ran like shizzy! They said it had a rebuild haha so I
rebuilt the whole thing myself. Upon rebuild car runs great pulls harder then most m...

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